Seychelles Integrated Science (SIS), a 3-year laboratory-based science program for students (ages 11-15) in upper primary grades 7, 8, and 9, was developed from an extensive evaluation and modification of previous P7-P9 materials. This P8 SIS unit examines: (1) the role played by bones, muscles, and teeth and the importance of developing and maintaining these body parts; (2) the biological reasons for eating food and how to best plan eating habits to fulfill these needs; and (3) the role of plants in feeding man and other animals. In addition, the development of skills in growing plants from seeds, stem cuttings, and tubers is emphasized. Provided for the unit is a student workbook and a set of teaching notes. The teaching notes include the general aims of the unit and a lesson plan for each topic area. Each lesson plan includes a suggested time frame, a list of objectives, a list of equipment needed, and a suggested lesson format. This format includes suggestions for introducing the lesson, instructional strategies (emphasizing procedures for student activities), and evaluation methods. The student workbook includes procedures for completing the unit activities and a list of new words keyed to page numbers in the workbook. (JN)